Approval for QuickBooks Payments application is subject to eligibility reviews and credit checks.
Please note that it can be denied or revoked due to industry risk factors, the types of services offered, or the account owner's credit history. You can find more details in these articles:
To get insights into why it was denied, I recommend reaching out to our live support team. A QuickBooks Payments representative can review the application and let you know if you are eligible to reapply.
If you're able to move forward, you can find the steps to resubmit in our article: Receive and process payments.
Don't hesitate to reach out to us again if you need anything else.